Windows, Doors & Storm Shutters Wind Load Calculator

ASCE 7-22 & 7-16 Compliant | Professional C&C Calculations | Permit-Ready Reports

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Annual Save 20%

Individual

Perfect for solo professionals and small contractors

$ 28 /month

20% OFF - Billed annually at $336/year

What's Included:

  • 1 user license
  • ASCE 7-22 & 7-16 calculations
  • Unlimited projects
  • Permit-ready PDF reports
  • Email support
  • Free software updates

Government & Institutional

For building departments, universities, and government agencies

$ 21 /month

25% OFF - Billed annually at $252/year

Everything in Individual, Plus:

  • 25% special discount
  • Priority support
  • Purchase order invoicing
  • Training resources

Requires .gov or .edu email verification

Enterprise

Unlimited users for large organizations and enterprises

$ 4,495 /year

Annual billing only - unlimited users

Everything in Professional, Plus:

  • Unlimited user licenses
  • Dedicated account manager
  • Custom training sessions
  • Priority phone & email support
  • API access (coming soon)
  • Custom reports & branding
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Professional Features Built for Speed and Accuracy

Everything you need to calculate wind loads quickly, accurately, and in full compliance with ASCE 7 standards.

ASCE 7-22 & 7-16 Compliant

Fully compliant calculations for both ASCE 7-22 and ASCE 7-16 standards. Toggle between versions instantly based on your project requirements or local building code adoption.

Permit-Ready PDF Reports

Generate professional, detailed PDF reports that building departments trust. Includes all calculation steps, wind speed maps, exposure categories, and zone diagrams.

5-Minute Calculations

Save hours on every project. Our intuitive interface guides you through the calculation process in minutes, not hours. No engineering degree required to operate.

Components & Cladding Focus

Purpose-built for C&C calculations on windows, doors, sliding glass doors, and storm shutters. Handles positive and negative pressures with ease.

Nationwide Wind Speed Data

Pre-loaded wind speed maps for the entire United States. Automatically determines wind speed based on address or coordinates. Hurricane-prone regions fully supported.

Professional Support

Get help from real wind engineering experts. Email support for all plans, priority phone support for Professional and Enterprise customers.

Who Uses This Calculator?

Trusted by thousands of professionals across the replacement window, door, and storm shutter industries.

Replacement Window Contractors

Calculate design pressures for impact-rated windows, vinyl replacement windows, and aluminum frame installations. Handle permit submissions with confidence.

Door Manufacturers & Installers

Size entry doors, French doors, and sliding glass doors for wind load requirements. Perfect for residential and commercial applications.

Storm Shutter Companies

Calculate wind loads for hurricane shutters, accordion shutters, roll-down shutters, and panel systems. Critical for hurricane-prone coastal regions.

Building Departments

Review permit applications and verify contractor calculations. Educational institutions use it to teach ASCE 7 wind load principles.

Architects & Engineers

Specify window and door products with accurate wind load requirements. Provide calculations to clients and general contractors for new construction and renovations.

Manufacturers & Distributors

Provide technical support to dealers and contractors. Verify product performance ratings match project requirements before fabrication.

Frequently Asked Questions

What types of windows and doors can I calculate? +
The calculator handles all common window and door types including replacement windows, new construction windows, sliding glass doors, French doors, entry doors, storm doors, and all types of hurricane shutters. Both impact-rated and non-impact products are supported.
Do I need an engineering degree to use this calculator? +
No engineering degree required. The calculator is designed for contractors, installers, and sales professionals. The interface guides you step-by-step through the process. However, understanding basic ASCE 7 concepts is helpful for interpreting results.
Which ASCE 7 versions are supported? +
Both ASCE 7-22 and ASCE 7-16 are fully supported. You can toggle between versions for any project. Most jurisdictions have adopted ASCE 7-16, but ASCE 7-22 adoption is growing. Check with your local building department to confirm which version applies.
What information do I need to start a calculation? +
You'll need: project address or coordinates, building dimensions (height and width), roof type, exposure category (B, C, or D), and the dimensions of the window/door being calculated. The calculator will guide you through each input with helpful tooltips.
Can I save and reuse project data? +
Yes. All your projects are automatically saved to your account. You can duplicate previous projects to speed up calculations for similar buildings, or use templates for common building types you work with frequently.
Are the PDF reports accepted by building departments? +
Yes. Our reports are accepted nationwide by thousands of building departments. They include all required information: wind speed, exposure category, topographic factors, elevation factors, zone diagrams, and detailed calculation steps per ASCE 7.
Can I cancel my subscription anytime? +
Yes. You can cancel anytime from your account dashboard. Your access will continue until the end of your paid billing period. No cancellation fees or penalties.
Is there a free trial available? +
Yes. You can try our free demo calculator on the Free Calculator page. The demo uses limited wind speeds and building configurations, but gives you a complete feel for how the calculator works and what the reports look like.

Ready to Start Calculating Wind Loads?

Join thousands of professionals who trust windloadcalc for accurate ASCE 7 calculations.